<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
   <div id="app">
       <input type="text" v-model="message">
       <div></div>
       <ul>
           <li>{{message}}</li>
           <li>{{message}}</li>
       </ul>
       <span>{{message}}</span>

   </div>
</body>
<script src="wacther.js"></script>
<script src="observer.js"></script>
<script src="Complie.js"></script>
<script src="myVue.js"></script>

<script>
    var vm = new myVue({
        el:'#app',
        data:{
            message:'dsasa'
        }
    })
</script>
</html>